Which of the following is not a part of transformer installation? 

(A) Conservator (B) Breather (C) Buchholz Relay (D) Exciter

1 Answer

Answer :

Which of the following is not a part of transformer installation? 

(A) Conservator (B) Breather (C) Buchholz Relay (D) Exciter

Related questions

Description : Part of the transformer which is most subject to damage from overheating is?

Last Answer : Part of the transformer which is most subject to damage from overheating is winding insulation.

Description : What is Part Programming? Enlist Basic Requirement for part programming with suitable example.

Last Answer : Definition: The part program is a sequence of instructions, which describe the work, which has to be done on a part, in the form required by a computer under the control of a numerical ... Defining the work part geometry. (b) Defining the repetition work. (c) Specifying the operation sequence

Last Answer : In Hopknison demand rate or two part tariff the demand rate or fixed charges are dependent upon the maximum demand of the consumer.

Last Answer : In two part tariff, variation in load factor will affect operating or running charges.

Description : XM Radio Installation

Last Answer : XM Satellite Radio is one of the two subscription radio services operating in the United States and Canada, the other being its competitor Sirius Satellite Radio. Installing XM radio to your car is an easy ... task on your own. XM radio manuals are available online, so you can refer to them anytime.

Description : The Guide to Radio Installation

Last Answer : Most brand new cars come with an existing radio tuner from manufacturers. If you are not satisfied with your current sound system, the first step to installing a new tuner is removing the one already ... following these steps, you may begin to undo the wiring connections of the radio from the car.

Description : Sirius Radio Installation

Last Answer : Sirius Satellite Radio is one of the two radio subscription services offered in the United States and Canada, the other one being XM Satellite Radio. There are basically two ways of installing Sirius ... cassette slot. The first method of wired connection, though, is still better than this option.

Description : Septic Tank Installation

Last Answer : You can always settle for the community septic system set up by private corporations or the local government. It's more convenient that way, as you don't have to do anything but live in your house and ... digging and excavating, and we think it'll take more than just a couple of shovels to do that.

Description : Satellite Radio Installation

Last Answer : Satellite radio is so far the most advanced radio service around. XM Satellite Radio and Sirius Satellite Radio are the two competitors providing this service to the United States and Canada. The ... to the LINE OUT port of the satellite radio transmitter and inserted in your cassette slot.

Description : Radio Installation Kit

Last Answer : Are you having problems making your new radio fit in your dash board? This is a common problem for cars and radio units that do not follow the standard sizing of radio tuners today, ... units. Other installation needs, like harnesses and wiring connectors, may also be included in the kits.

Description : Carpet Installation

Last Answer : Carpet installation is not an easy matter to deal with. Apart from the costs you have to incur for the materials, you have to get your home prepared for the big day. The challenge is greater if you ... by opening all doors and windows of the rooms. Make sure also to run all exhaust fans as well.

Description : Car Radio Installation

Last Answer : Most car models today come with an existing radio tuner. If you want to upgrade to a new radio system, the first thing you need to do is remove the existing old unit off your vehicle. After doing so, ... its proper position - a sign that it's locked in place and that your radio is ready for use.

Description : How to check the quality of installation of interior doors?

Last Answer : How to check the quality of installation of interior doors? Interior doors are being installed at the final stage of renovation. It can take up to 5 hours to install one door. But, ... tips will help you avoid possible problems and properly control the quality of installation of interior doors.

Description : State the procedure for laying / installation of underground cable.  

Last Answer : 1) Direct laying Cable: or Trench laying method: Procedure: * For laying of a cable trench about 1.5m deep and 0.5m wide is made along the cable route. * A ... over. * Cables laid in this manner are usually plain lead covered because troughing affords good mechanical protection. 

Description : State different types of holders used in wiring installation.

Last Answer : Following types of holders used in wiring installation: 1. Pendent Holder 2. Batten Holder 3. Angle holder 4. Screwed holder 

Description : Why earthing is essential in electrical installation ? Explain any one type of earthing. 

Last Answer : Following reasons earthing is essential in electrical installation :   1. To provide an alternative path for the leakage current to flow towards earth. 2. To save human life from danger of electrical shock ... G.I. pipe of size 19mm and funnel for pouring the water in earth pit when required.

Description : How rating of main switch and cable is selected for Industrial Installation.

Last Answer : 1. Rating of Main Switch or Fuse Rating is decided in industrial installation: Rating of main switch or fuse is based up the starting current of motor. For calculating starting current is considered 2 ... take 1.5 times the rated current or full load current. & thus cable rating is decided.

Description : Compare industrial electrical installation and residential electrical installation.

Last Answer : Basis Residential Electrical Installation Commercial Electrical Installation Load capacity Less High Input Supply Generally single phase Generally 3 phase Purpose Domestic ... supply voltage is equal to or more then 400V then there is need of caution notice

Description : Explain selection of starters for Industrial Installation. 

Last Answer : selection of starters for Industrial Installation: Every motor must be provided with a starter to start and stop the motor. It shall be within the sight of a person at the motor. It shall be so arranged as ... -Auto transformer starter  Slip ring I.M.------------------Rotor resistance starter

Description : State any four general rules for Electrical Installation.

Last Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

Description : Define Electrical Installation and give its classification.

Last Answer : Meaning of Electrical installation : Electrical installation is a process of estimation and erection of electrical wiring with materials, and electrical machines used by ... Residential Electrical Installation ii) Commercial Electrical Installation iii) Industrial Electrical Installation 

Last Answer : The primary reason for low power factor is supply system is due to installation of induction motors.

Description : The operating point of a protective current transformer is near the

Last Answer : The operating point of a protective current transformer is near the Ankle point

Description : The core construction is like spokes of a wheel in following transformer:  (A) Berry Type Transformer (B) Core Type Transformer (C) Shell Type Transformer (D) None of the above

Last Answer : The core construction is like spokes of a wheel in following transformer:  Berry Type Transformer

Description : The inrush current of a transformer at no load is maximum if the supply voltage is switched on  (1) at peak voltage value (2) at zero voltage value (3) at half voltage value (4) at 0.866 time voltage value

Last Answer : At 0.866 time voltage value

Description : IDMT relays are used to protect the transformer against :  (A) Internal short -circuits (B) Open circuits (C) External short circuits (D) Oil leakage

Last Answer : IDMT relays are used to protect the transformer against : External short circuits

Description : To prevent mal-operation of differentially connected relay while energizing a transformer, the relay restraining coil is based with  (1) second harmonic current  (2) third harmonic current  (3) fifth harmonic current  (4) seventh harmonic current

Last Answer : To prevent mal-operation of differentially connected relay while energizing a transformer, the relay restraining coil is based with  second harmonic current 

Description : To protect the power transformer (Y-Y with neutral grounded) against fault, what type of connection do the CTs have ?

Last Answer : To protect the power transformer (Y-Y with neutral grounded) against fault, what type of connection do the CTs have ? Δ-Δ connection

Last Answer : The inverse definite mean time relays are used for over current and earth fault protection of transformer against internal short-circuits.

Last Answer : The short circuit in any winding of the transformer is the result of impulse voltage.

Description : What is the use of Buchholz relay in transformer?

Last Answer : This is a transformer that is used to step up and down current. 

Description : A question about body kits for you auto gear heads out there?

Last Answer : I am adding side skirts a rear bumper and front bumper to my E36. What they mean by extending the side skirts is you will have to break it into pieces and add some sort of holder in the ... a professional paint and body place, because if not done correctly it can make the car really look bad.

Description : Why is the product key for windows xp invalid?

Last Answer : Must you use XP?

Description : Having just ordered Snow Leopard online, will I be able to install it myself?

Last Answer : Yes, it is very DYI. you might want to back up any important files just in case, but it’ll be very user-friendly. i ordered today too. got it for $10 + free shipping, since i just bought a Mac Mini to go with my MacBook Pro.

Description : 76 The changes in volume of transformer cooling oil due to variation of atmospeheric temperature during day and night is taken care of by which part of transformer? A. Conservator B. Breather C. Bushings D. Buchholz relay

Last Answer : A. Conservator

Description : The changes in the volume of transformer cooling oil due to the variation of atmospheric temperature during day and night is taken care of by which part of the transformer?

Last Answer : The changes in the volume of transformer cooling oil due to the variation of atmospheric temperature during day and night is taken care of by conservator.

Description : What is a Transformer ?

Last Answer : Ans : A transformer is a static piece of apparatus which transforms electrical energy from one Circuit to another circuit without changing the frequency either stepping up or stepping down the voltage .

Description : What are the transformer losses?

Last Answer : Answer: TRANSFORMER LOSSES - There are mainly two kinds of losses in a transformer namely 1. Copper loss (ohmic loss) and 2.magnetic loss (core loss). Copper losses are caused by the ... ohmic loss the following two losses are also present in the transformer stray load loss and dielectric loss.

Description : At what power maximum efficiency of power transformer and distribution transformer is designed

Last Answer : Maximum efficiency of the transformer is attained at certain load factor (α) when core losses of transformer is equal to the copper losses. PCore loss = α ^2 X PCopper loss From the ... the day. Hence distribution transformers are designed to have maximum efficiency at 50% of the rated full load

Description : What happen when Transformer is given DC supply ?

Last Answer : When DC supply is given to the transformer primary winding no back emf is induced in the transformer. Importance of Back emf is that it limits the current drawn by the machine. In the absence ... in burning down of primary winding. So when dc supply is given to transformer primary windings will burn

Description : During No load why the power factor of the transformer is very low ?

Last Answer : Current flowing through the transformer consists of two components. Magnetizing current (Im) which is in quadrature (90 0 ) to the applied voltage and in phase current which is in phase to the applied voltage ... power factor of transformer during no load condition will by in the order of 0.1 to 0.2

Description : What is the supply rated o/p if two single phase transformer connect to give three phase o/p from a three phase I/p?

Last Answer : A. Each transformer is only capable of supplying 86.6%of its o/p rating

Description : How to connect two single phase transformer to give three phase o/p from a three phase I/p ?

Last Answer : A. They would have to connect in an open-delta.

Description : What is the 3 ph transformer ?

Last Answer : A. A 3ph transformer is that transformer which is equivalent to three single phase transformer but wound on one core and enclosed within one common case.

Description : What parameters or technical particulars are important to be considered while designing protection scheme of the transformer?

Last Answer : 1.Network Diagram showing the position of the transformer in the system 2.kVA or MVA rating of the transformer 3.Fault Level at the transformer 4.Voltage Ratio 5.Winding Connections 6.Per Unit ... Oil Filled 11.Length and area of cross section of the connecting leads between CTs and Relay Panel

Description : What can be the reasons for the failure of the transformer?

Last Answer : Answer: Transformer is one of the most expensive equipments in the Power System. Failure of the transformer can cause outage of power supply for even days. However, multiple things can go wrong with ... relays. 3.Short Circuits 4.Open Circuits 5.Earth Faults 6.Over Voltage 7.Reduced system frequency

Description : How Transformer Protection provided for internal faults?

Last Answer : 1.Bucholz Relay (1st Stage Alarm and 2nd Stage Trip) 2.Sudden Pressure Relay (1st Stage Alarm and 2nd Stage Trip) 3.Pressure Relief Valve (1st Stage Alarm and 2nd Stage Trip) 4.Pressure Switch ... 8.Gas Temperature Indicator (Alarm) 9.Silicon Breather (Passive - no alarm) 10.Smoke Detector (Alarm)

Description : How does change in frequency affect the operation of a given transformer?

Last Answer : a) Iron loss .........increases with a decrease in frequency. A 60-Hz transformer will have nearly 11% higher losses when worked on 50Hz instead of 60 Hz. However, when a 25-Hz ... ....since total loss is greater at a lower frequency, the temperature is increased with decrease in frequency.

Description : Does the transformer draw any current when its secondary is open?

Last Answer : Yes, no-load primary current.

Description : WHAT is ZIG ZAG Grounding Transformer

Last Answer : ANSWER: Three Single Phase Transformers can be connected to have a three phase Zig Zag Transformer. This system can be used for either grounding or developing a fourth WIRE from a three phase neutral. An example ... - three phase - three wire system to a 480Y/277 V - three phase - four wire system